The "find in path" does not find anything on any project :
The other options ("In project", "module") does works.
Last time I ran to this issue, it was "solved" because I made a new fresh setup of my computer.
I try to invalid the cache, even remove the PHPStorm Installation folder and re-install it, nothing changed.
Thanks for helping, this bug is quite annoying for productivity...
I'm using last version of PHPStorm :
Build #PS-172.4155.41, built on September 15, 2017
JRE: 1.8.0_152-release-915-b11 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o